#ifndef __UTIL_H_
#define __UTIL_H_

char *itoa(unsigned i, char *buf);
#define uns_abs_diff(a, b) (a > b ? a - b : b - a)

void sendVT100Cmd(char *cmd);
#define ASCII_escape_char 27
#define VT100_clear_screen "[2J"
#define VT100_cursor_home "[H"

#endif
